17390780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 40201056

約数和(自身を除く): 22810276

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 577, 685, 1154, 1370, 1507, 2308, 2740, 2885, 3014, 5770, 6028, 6347, 7535, 11540, 12694, 15070, 25388, 30140, 31735, 63470, 79049, 126940, 158098, 316196, 395245, 790490, 869539, 1580980, 1739078, 3478156, 4347695, 8695390, 17390780]

約数ペア:

[(1, 17390780), (2, 8695390), (4, 4347695), (5, 3478156), (10, 1739078), (11, 1580980), (20, 869539), (22, 790490), (44, 395245), (55, 316196), (110, 158098), (137, 126940), (220, 79049), (274, 63470), (548, 31735), (577, 30140), (685, 25388), (1154, 15070), (1370, 12694), (1507, 11540), (2308, 7535), (2740, 6347), (2885, 6028), (3014, 5770)]